//get请求方式

private String getInfo(Map params,String URL) {

// 创建Httpclient对象

CloseableHttpClient httpclient = HttpClients.createDefault();

CloseableHttpResponse response = null;

String resultString=null;

try {

// 创建uri

URIBuilder builder = new URIBuilder(URL);

if (params != null) {

for (String key : params.keySet()) {

builder.addParameter(key, params.get(key).toString());

}

}

URI uri = builder.build();

// 创建http GET请求

HttpGet httpGet = new HttpGet(uri);

// 执行请求

response = httpclient.execute(httpGet);

// 判断返回状态是否为200

if (response.getStatusLine().getStatusCode() == 200) {

resultString = EntityUtils.toString(response.getEntity(), "UTF-8");

}

} catch (Exception e) {

e.printStackTrace();

} finally {

try {

if (response != null) {

response.close();

}

httpclient.close();

} catch (IOException e) {

e.printStackTrace();

}

}

return resultString;

}

//post请求方式

private String getInfo(Map params, String URL) {

// 创建Httpclient对象

CloseableHttpClient httpclient = HttpClients.createDefault();

CloseableHttpResponse response = null;

String resultString = null;

try {

// 创建uri

URIBuilder builder = new URIBuilder(URL);

if (params != null) {

for (String key : params.keySet()) {

builder.addParameter(key, params.get(key).toString());

}

}

URI uri = builder.build();

// 创建http POST请求

HttpPost httpPost = new HttpPost(uri);

// 执行请求

response = httpclient.execute(httpPost);

// 判断返回状态是否为200

if (response.getStatusLine().getStatusCode() == 200) {

resultString = EntityUtils.toString(response.getEntity(),"UTF-8");

}

} catch (Exception e) {

e.printStackTrace();

} finally {

try {

if (response != null) {

response.close();

}

httpclient.close();

} catch (IOException e) {

e.printStackTrace();

}

}

return resultString;

}

//传送json类型参数的post请求

private String getCarMapInfo(String json, String URL) {

// 创建Httpclient对象

CloseableHttpClient httpClient = HttpClients.createDefault();

CloseableHttpResponse response = null;

String resultString = null;

try {

// 创建Http Post请求

HttpPost httpPost = new HttpPost(URL);

// 创建请求内容

StringEntity entity = new StringEntity(json, ContentType.APPLICATION_JSON);

httpPost.setEntity(entity);

// 执行http请求

response = httpClient.execute(httpPost);

resultString = EntityUtils.toString(response.getEntity(), "utf-8");

} catch (Exception e) {

e.printStackTrace();

} finally {

try {

response.close();

httpClient.close();

} catch (IOException e) {

e.printStackTrace();

}

}

return resultString;

}